﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace A98变量
{
    class Program
    {
        static void Main1(string[] args)
        {
            //数据类型  变量名
            int a;
             a = 5;
            int b = 6;
            b = 7;//原来的6会被覆盖
            Console.WriteLine(a+b);

            string name = "张三";
            string name1 = "李四";
            Console.WriteLine(name+name1);

            float hight = 1.8f;
            bool isBoy = true;
        }
        static void Main(string[] args)
        {
            int a = 5;
            string s = "你好";
            Console.WriteLine(sizeof(int));

            Console.WriteLine(a/2);
    
        }
    }
}
